US2638651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low permeability separable fastener
Assignee: Individual
•
Filing: 1945-09-10
•
Granted: 1953-05-19
•
Expires: 1965-09-10
Abstract
No abstract record available.
Inventors
- 👤 Louis H Morin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:59
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/02; A44B19/04; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2539; Y10T24/255; Y10T24/2552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1756736A
Cited
US1817838A
Cited
US1906808A
Cited
US2082619A
Cited
US2158079A
Cited
US2331618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |